<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="RequestServlet01" METHOD="post">
  <table>
      <tr><input type="text" name="username"/></tr>
      <tr><input type="password" name="password"></tr>
      <tr>
          <input type="checkbox" name="hobby" value="1">篮球
          <input type="checkbox" name="hobby" value="2">足球
      </tr>
      <tr>
          <input type="submit"/>
      </tr>
  </table>
</form>
</body>
</html>